Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Company's loans by risk rating
Financing Receivable, Net	$ 595,108	$ 511,794
Commercial [Member]
Company's loans by risk rating
Financing Receivable, Net	24,739	20,626
Consumer [Member]
Company's loans by risk rating
Financing Receivable, Net	724	998
Residential one-to-four family [Member]
Company's loans by risk rating
Financing Receivable, Net	203,546	192,295
Commercial real estate [Member]
Company's loans by risk rating
Financing Receivable, Net	222,974	166,261
Construction [Member]
Company's loans by risk rating
Financing Receivable, Net	13,710	15,198
Home equity [Member]
Company's loans by risk rating
Financing Receivable, Net	59,191	50,015
Indirect auto [Member]
Company's loans by risk rating
Financing Receivable, Net	70,224	66,401
Loans rated 1-3 [Member]
Company's loans by risk rating
Financing Receivable, Net	255,963	201,162
Loans rated 1-3 [Member] | Commercial [Member]
Company's loans by risk rating
Financing Receivable, Net	24,645	20,446
Loans rated 1-3 [Member] | Consumer [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 1-3 [Member] | Residential one-to-four family [Member]
Company's loans by risk rating
Financing Receivable, Net	3,169	1,940
Loans rated 1-3 [Member] | Commercial real estate [Member]
Company's loans by risk rating
Financing Receivable, Net	215,093	165,134
Loans rated 1-3 [Member] | Construction [Member]
Company's loans by risk rating
Financing Receivable, Net	12,157	13,642
Loans rated 1-3 [Member] | Home equity [Member]
Company's loans by risk rating
Financing Receivable, Net	899
Loans rated 1-3 [Member] | Indirect auto [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 4 [Member]
Company's loans by risk rating
Financing Receivable, Net	8,310	2,724
Loans rated 4 [Member] | Commercial [Member]
Company's loans by risk rating
Financing Receivable, Net	71
Loans rated 4 [Member] | Consumer [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 4 [Member] | Residential one-to-four family [Member]
Company's loans by risk rating
Financing Receivable, Net	260	1,238
Loans rated 4 [Member] | Commercial real estate [Member]
Company's loans by risk rating
Financing Receivable, Net	7,881	1,127
Loans rated 4 [Member] | Construction [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 4 [Member] | Home equity [Member]
Company's loans by risk rating
Financing Receivable, Net	98	359
Loans rated 4 [Member] | Indirect auto [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 5 [Member]
Company's loans by risk rating
Financing Receivable, Net	5,055	6,432
Loans rated 5 [Member] | Commercial [Member]
Company's loans by risk rating
Financing Receivable, Net	23	180
Loans rated 5 [Member] | Consumer [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 5 [Member] | Residential one-to-four family [Member]
Company's loans by risk rating
Financing Receivable, Net	2,986	3,573
Loans rated 5 [Member] | Commercial real estate [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans rated 5 [Member] | Construction [Member]
Company's loans by risk rating
Financing Receivable, Net	1,553	1,556
Loans rated 5 [Member] | Home equity [Member]
Company's loans by risk rating
Financing Receivable, Net	493	1,123
Loans rated 5 [Member] | Indirect auto [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans not rated (A) [Member]
Company's loans by risk rating
Financing Receivable, Net	325,780	301,476
Loans not rated (A) [Member] | Commercial [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans not rated (A) [Member] | Consumer [Member]
Company's loans by risk rating
Financing Receivable, Net	724	998
Loans not rated (A) [Member] | Residential one-to-four family [Member]
Company's loans by risk rating
Financing Receivable, Net	197,131	185,544
Loans not rated (A) [Member] | Commercial real estate [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans not rated (A) [Member] | Construction [Member]
Company's loans by risk rating
Financing Receivable, Net
Loans not rated (A) [Member] | Home equity [Member]
Company's loans by risk rating
Financing Receivable, Net	57,701	48,533
Loans not rated (A) [Member] | Indirect auto [Member]
Company's loans by risk rating
Financing Receivable, Net	$ 70,224	$ 66,401